Frightfur Sanctuary is a Continuous Spell Card.
Spell Cards are usually activated from the hand on your turn unless their type gives another timing window.
On the current TCG and OCG Forbidden & Limited lists tracked here, Frightfur Sanctuary is Unlimited.
YGOPRODeck lists Frightfur Sanctuary for these formats: Common Charity, Speed Duel, TCG, OCG, Master Duel.
Frightfur Sanctuary belongs to the Frightfur archetype—use that tag when searching for engine pieces and tech options.
A listed print of Frightfur Sanctuary appears in 2017 Mega-Tin Mega Pack (MP17-EN098) at Common rarity.
Among markets shown on this page, the lowest listed snapshot for Frightfur Sanctuary is about $0.08 on Cardmarket (prices change frequently).
